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NXP Semiconductors PN5331B3HN/C270,51
- Part No.:
- PN5331B3HN/C270,51
- Manufacturer:
- NXP Semiconductors
- Category:
- RFID, RF Access, Monitoring ICs
- Package:
- 40-VFQFN Exposed Pad
- Datasheet:
-
PN5331B3HN/C270,51.pdf
- Description:
- IC RFID RDR/TRAN 13.56MZ 40HVQFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,304
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Product details
Overview
PN5331B3HN/C270,51 from NXP Semiconductors is a Near Field Communication (NFC) controller IC built on an 80C51 microcontroller core, supporting ISO/IEC 14443A/B, MIFARE Classic 1 KB/4 KB, FeliCa, and NFCIP-1 (ECMA-340) protocols. It delivers bidirectional contactless data transfer at up to 424 kbit/s, integrates RF demodulation/decoding, framing, and error detection (CRC/parity), and operates in Reader/Writer, Card Emulation, and Peer-to-Peer modes for secure access control and mobile payment terminals.
For engineers reviewing the PN5331B3HN/C270,51 datasheet, PN5331B3HN/C270,51 pinout, PN5331B3HN/C270,51 application, or PN5331B3HN/C270,51 equivalent, this device serves as a complete NFC transceiver with embedded firmware execution capability, USB 2.0 full-speed and high-speed UART host interfaces, integrated antenna driver, and dedicated power switch for secure companion ICs - critical for NFC-enabled point-of-sale systems, smart card readers, and IoT identity modules.
Technical Context
The PN5331B3HN/C270,51 implements a fully integrated 13.56 MHz RF front-end with TX1/TX2 transmitters, RX receiver, load modulation output (LOADMOD), and internal RF level/data mode detectors. Its 80C51 core executes firmware directly from 45,056-byte ROM and manages 1,224-byte RAM, supporting real-time protocol handling for ISO/IEC 14443A/B, FeliCa, and NFCIP-1 layers 2–3 (excluding anticollision in ISO/IEC 14443B).
It features a 27.12 MHz crystal oscillator with on-chip PLL generating 96 MHz for USB, buffered antenna drivers requiring no external active components, and dual power domains (DVDD/AVDD/TVDD/SVDD/PVDD) enabling independent supply control for digital, analog, transmitter, SAM, and I/O sections - essential for low-power card emulation and battery-operated reader designs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RF Frequency | 13.56 MHz carrier - enables interoperability with global NFC, MIFARE, and FeliCa infrastructure. |
| Data Rate | Up to 424 kbit/s full-duplex - supports high-throughput NFCIP-1 and MIFARE/FeliCa higher-speed modes. |
| Host Interfaces | USB 2.0 full-speed (4.02–5.25 V) and HSU (2.5–3.6 V) - provides flexible connectivity for PC peripherals and embedded hosts. |
| Memory | 45,056-byte ROM + 1,224-byte RAM - sufficient for protocol stacks, secure firmware, and buffer management without external memory. |
| Operating Temperature | −30 °C to +85 °C - qualified for industrial and consumer environments including handheld readers and kiosks. |
| Supply Voltages | DVDD/AVDD/TVDD: 2.5–3.6 V; PVDD: 1.6–3.6 V; SVDD: DVDD ±0.1 V - supports mixed-voltage system integration with secure elements. |
| Power Consumption | Hard power-down current: 10 µA; Soft power-down: 30 µA - enables ultra-low-power standby in battery-powered devices. |
Pinout & Package
HVQFN40 package (SOT618-1), 6 × 6 × 0.85 mm, leadless, MSL level 2 - surface-mount compatible with automated assembly and compact PCB layouts for portable NFC readers.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| TX1 / TX2 | RF Transmitter Outputs | Drive external antenna in Reader/Writer mode; support differential or single-ended 13.56 MHz carrier generation. |
| RX | RF Receiver Input | Accepts load-modulated signal from ISO/IEC 14443A/B or FeliCa cards; connects directly to antenna matching network. |
| LOADMOD | Load Modulation Output | Provides digital modulation signal for MIFARE/FeliCa card emulation; drives external active circuit or modulator stage. |
| DM / DP | USB D− / D+ or HSU TX/RX | Configurable dual-mode interface pins - eliminate need for separate USB and UART connectors in space-constrained designs. |
| P34 / SIGIN / SIGOUT | NFC-WI Interface Signals | Enable ECMA-373-compliant communication with secure ICs (e.g., SmartMX) for cryptographic key management and secure element offloading. |
| SVDD | Secure IC Power Switch Output | Programmable 3.3 V supply with overload detection - powers external secure companion chip and isolates faults during SAM transactions. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated RF Front-End | Eliminates discrete balun, matching network, and amplifier components - reduces BOM count and layout complexity for NFC antenna circuits. |
| Multi-Protocol Support | Native hardware acceleration for ISO/IEC 14443A framing/CRC, FeliCa timing, and NFCIP-1 packet handling - offloads CPU and ensures deterministic response times. |
| Antenna Detection | On-chip RF level detector enables production-line antenna presence verification without external test equipment. |
| Low-Power Modes | Hard- and soft-power-down states with automatic wake-up on HSU activity - extends battery life in portable NFC readers and wearables. |
| Secure Interface | ECMA-373 NFC-WI and dedicated SVDD power switch - enable certified secure transaction flows with external secure ICs per EMVCo and Common Criteria requirements. |
Applications
| Access Control Terminal | Mobile Payment Reader |
|---|---|
Use Scenario: Contactless credential validation at office building entrances using MIFARE DESFire EV2 or FeliCa cards. IC Role / Device Role / Timing Role: PN5331B3HN/C270,51 acts as ISO/IEC 14443A Reader/Writer with full protocol stack execution and secure key exchange via NFC-WI. Use Value: Achieves ≤50 mm read range with standard 40 mm × 40 mm antenna and supports 424 kbit/s encrypted session setup - reducing authentication latency to <300 ms. |
Use Scenario: Portable EMVCo-certified payment terminal accepting contactless bank cards and mobile wallets. IC Role / Device Role / Timing Role: PN5331B3HN/C270,51 operates in NFCIP-1 Active Peer-to-Peer mode to exchange payment data with smartphones while managing secure channel setup with external SAM. Use Value: Enables full EMV L3 compliance through hardware-accelerated NFCIP-1 framing and CRC, plus dedicated SVDD-controlled secure IC power sequencing. |
| Smart ID Card Issuance Kiosk | Industrial Asset Tagging System |
Use Scenario: On-site encoding of contactless government ID cards using MIFARE 4 KB emulation mode. IC Role / Device Role / Timing Role: PN5331B3HN/C270,51 functions as MIFARE 4 KB emulator with integrated encryption engine and LOADMOD-driven modulation. Use Value: Supports 100 mm card emulation range under field strength conditions typical of kiosk-mounted antennas - enabling hands-free card placement during issuance. |
Use Scenario: Ruggedized handheld scanner reading NFC tags on machinery for maintenance log updates. IC Role / Device Role / Timing Role: PN5331B3HN/C270,51 serves as ISO/IEC 14443B Reader/Writer with firmware-implemented anticollision - interfacing via HSU to ARM Cortex-M host MCU. Use Value: Delivers reliable operation at −30 °C to +85 °C with 30 µA soft-power-down current - extending battery runtime beyond 12 hours per charge. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NFC controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| PN7150B0HN/C1 | Lower power consumption (3 µA hard power-down), integrated firmware, no 80C51 core - uses host processor for protocol handling. | Targeted at cost-sensitive, low-power consumer devices (e.g., smart locks); lacks MIFARE 4 KB emulation and FeliCa support. | Select when system-level firmware control is preferred and MIFARE/FeliCa legacy compatibility is not required. |
| ST25DV04K-IER | Dynamic NFC tag IC (not controller), I²C interface only, no RF transmitter - requires external reader for activation. | Used in passive asset tagging and sensor data logging; cannot operate as standalone reader or peer-to-peer device. | Select only for NFC tag/embedded memory applications - not a functional replacement for PN5331B3HN/C270,51's transceiver role. |
Compared with PN7150B0HN/C1 and ST25DV04K-IER, the PN5331B3HN/C270,51 uniquely combines full 80C51 programmability, multi-protocol hardware acceleration, and integrated RF transmitter - making it the only option among the three capable of standalone MIFARE 4 KB emulation, FeliCa reader/writer operation, and secure NFC-WI coupling with external SAMs.
Availability
PN5331B3HN/C270,51 is available at Aetrix Electronics and suitable for access control terminals, mobile payment readers, and smart ID card issuance kiosks requiring stable component supply across extended product lifecycles.
Supply support for PN5331B3HN/C270,51 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
NXP Semiconductors is a global semiconductor leader specializing in secure connectivity solutions for automotive, industrial, and IoT applications, with deep expertise in RFID, NFC, and secure element technologies.
The PN533 product line was designed specifically for high-reliability NFC transceiver applications demanding multi-protocol support, embedded processing, and secure interface capabilities - targeting payment, identification, and machine-to-machine communication systems.
FAQ
What host interfaces does the PN5331B3HN/C270,51 support?
The PN5331B3HN/C270,51 supports USB 2.0 full-speed (bus-powered or self-powered) and high-speed UART (HSU) host interfaces. It also includes a restricted I²C master interface for controlling external EEPROMs. The DM/DP pins are multiplexed between USB and HSU modes, selected via configuration registers, allowing flexible integration into PC-connected or microcontroller-based systems without additional level-shifting circuitry.
Does the PN5331B3HN/C270,51 support MIFARE 4 KB emulation in hardware?
Yes, the PN5331B3HN/C270,51 natively supports MIFARE Classic 1 KB and 4 KB emulation in hardware, including encryption engines for Crypto1 authentication and LOADMOD-driven load modulation. This enables full card emulation functionality without host processor intervention, achieving typical operating distances up to 100 mm depending on antenna design and external field strength - verified in NXP's official PN5331B3HN/C270,51 datasheet Rev. 3.4.
What is the purpose of the SVDD pin on the PN5331B3HN/C270,51?
The SVDD pin on the PN5331B3HN/C270,51 is a programmable power switch output delivering regulated voltage (DVDD ±0.1 V) to external secure ICs such as SmartMX or JCOP chips. It includes built-in overload detection and firmware-controlled enable/disable - ensuring safe power sequencing and fault isolation during secure transactions, which is mandatory for EMVCo and Common Criteria certified implementations using the PN5331B3HN/C270,51.
Can the PN5331B3HN/C270,51 operate in ISO/IEC 14443B Reader/Writer mode?
Yes, the PN5331B3HN/C270,51 supports ISO/IEC 14443B Reader/Writer mode at Layers 2 and 3, including framing and error detection. However, anticollision must be implemented in firmware - not handled by hardware. This design allows flexibility for custom anticollision algorithms while maintaining compliance with ISO/IEC 14443B physical layer requirements, as confirmed in Section 1 of the official PN5331B3HN/C270,51 product data sheet.
What is the maximum operating distance for PN5331B3HN/C270,51 in Reader/Writer mode?
The PN5331B3HN/C270,51 achieves a typical operating distance of up to 50 mm in Reader/Writer mode with ISO/IEC 14443A/MIFARE, ISO/IEC 14443B, or FeliCa cards - dependent on antenna size, tuning, and power supply. This specification is measured under standard conditions defined in the NXP PN5331B3HN/C270,51 datasheet Rev. 3.4, Table 1 "Quick reference data", and applies to both 106 kbit/s and 424 kbit/s data rates.
PN5331B3HN/C270,51 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- MIFARE®
- Package/Case:
- 40-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- RFID Reader/Transponder
- Frequency:
- 13.56MHz
- Standards:
- FeliCa, ISO 14443, MIFARE, NFC
- Interface:
- -
- Voltage - Supply:
- 2.5V ~ 3.6V
- Operating Temperature:
- -30°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 40-HVQFN (6x6)
PN5331B3HN/C270,51 FAQ
1.How can I place an order for PN5331B3HN/C270,51 through Aetrix?
Please submit a Request for Quotation (RFQ) for PN5331B3HN/C270,51 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for PN5331B3HN/C270,51 reliable?
The price and inventory of PN5331B3HN/C270,51 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PN5331B3HN/C270,51 is usually 5 days.
3.What payment methods are accepted for PN5331B3HN/C270,51?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PN5331B3HN/C270,51 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PN5331B3HN/C270,51?
PN5331B3HN/C270,51 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PN5331B3HN/C270,51 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for PN5331B3HN/C270,51?
For technical support, including PN5331B3HN/C270,51 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PN5331B3HN/C270,51 requirements.
6.How does Aetrix verify that PN5331B3HN/C270,51 is sourced from the original manufacturer or authorized distributors?
All PN5331B3HN/C270,51 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that PN5331B3HN/C270,51 meets industry standards.
7.What is the process for return or replacement of PN5331B3HN/C270,51?
All PN5331B3HN/C270,51 units undergo pre-shipment inspection (PSI). If there is an issue with PN5331B3HN/C270,51, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The PN5331B3HN/C270,51 part is unused and in its original packaging.
Return procedure for PN5331B3HN/C270,51:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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